Vehicle rear bumper



FIG. 1 is a front and left side perspective view of a vehicle rear bumper showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side elevation view thereof, the right side being a mirror image of the left side shown; and,

FIG. 4 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the vehicle rear bumper that form no part of the claimed design. 

CLAIM The ornamental design for a vehicle rear bumper, as shown and described. 